Contour gauge



FIG. 1 is a front and top perspective view of a contour gauge, showing my design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of the contour gauge separated from a hook ring; and,

FIG. 10 is an enlarged view of an area labeled 10 in FIG. 1.

The broken lines are for environmental structure, boundaries, or illustrative purposes only and form no part of the claimed designs to be patented. 

CLAIM The ornamental design for a contour gauge, as shown and described. 